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NAUI Scuba Diver Exam | Questions & 100% Correct Answers (Verified) | Latest Update | Grade A+
(a) Question :Which of the following is an essential feature to
consider when selecting a diving mask?
Correct answer:Tempered or safety glass
(b) Question :Which of the following causes objects to appear
larger and closer when looking through a mask during a dive?
Correct answer:Refraction
(c) Question :Which of the following actions should a diver
take to reduce drag and therefore the amount exertion during a dive?
Correct answer:Streamline his/her body position.
(d) Question :Which of the following describes the term
"positive buoyancy"?
Correct answer:An object displaces an amount of water
weighing more than itself.
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(e) Question :Which of the following activities is most
appropriate for re-establishing or maintaining an adequate fitness level for safe diving?
Correct answer:Workouts in a pool with mask, fins, and
snorkel 3 times per week.
(f) Question :Which of the following is the point at which a
sudden change in water temperature occurs?
Correct answer:A thermocline.
(g) Question :Which buddy system technique is recommended
when diving in limited visibility?
Correct answer:Holding hands or use a buddy line.
(h) Question :Which of the following will help to prevent
seasickness?
Correct answer:Settle yourself in a midway point of the boat.
(i) Question :Which of the following is a hazard when diving
in limited visibility or at night?
Correct answer:Vertigo.
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(j) Question :Which of the following limits should be
established prior to every scuba dive?
Correct answer:Maximum bottom time, maximum depth,
minimum air pressure.
(k) Question :Which of the following physical factors can
make you incapable of sustaining the efforts sometimes demanded when participating in recreational diving?
Correct answer:Inadequate sleep.
A recent head cold.Recent ingestion of drugs (medicine, alcohol, narcotics).
(l) Question :Which action is recommended if the power
inflation mechanism on your BCD "sticks" or "freezes" in the open position during a dive?
Correct answer:Immediately disconnect the inflator hose and
vent air from the BCD as needed to maintain proper buoyancy.
(m) Question :Which is the most effective way to descend
while maintaining orientation and attempting equalization of the ears?
Correct answer:Feet first.
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(n) Question :According to NAUI, which of the following is
essential to consider when planning a safe dive?
Correct answer:One team member acts as the leader,
agreement on the activity/objective, set the course to be followed, discuss contingency plans and emergency procedures.
(o) Question :Which of the following is a typical cause of
entanglement underwater?
Correct answer:Fishing line.
Question :At a minimum, while diving, most dive computers
display:
Correct answer:Maximum depth, current depth, actual bottom
time, remaining allowable bottom time.